Fixing AMD Apu's Hardware Acceleration(NootedRed)

I have problems with the VRAM and Hardware Acceleration. My APU(AMD 5825U) has only 512mb video memory and I want to increase it to 2gb as I have 16gb ram. The problem is I can't increase it to 2gb as it is capped. Also, I think that my hardware acceleration is not working because whenever I try to open Firefox, Chess, or video screensaver, these processes just crash. Could you help me to fix these two problems?

Laptop: HP Probook 455G9

submitted by /u/Mr_Oz1275
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